My GMod Menu won't work

When I open GMod it worked perfectly, than when I wanna play Singleplayer, it doesn’t work,
I click on Singleplay ~ Nothing happens
Create Multiplarer ~ Nothing happens
Play Multiplayer ~ Works YAY! owh wait darn can’t connect
Extensions ~ Nothing happens
Options ~ Shows options
Exit ~ At least that still works

Help!

Tried reinstalling yet?

Console log please

Did you buy GMod legally?